Serving 20 listed cities and communities across North County and San Diego
CA License #1117220
Mr. BackflowNorth County San Diego (760) 492-7389
Pricing

Clear Prices. Careful Review.

Published where the work is standardized, estimated where the scope can vary, and reviewed when site conditions determine the final price.

Close-up detail of a backflow preventer serviced by Mr. Backflow
A local advantage

Carlsbad Residents Receive the 18% Local Discount.

Annual testing$73.80Eligible standard testing after the published local discount
Testing cost

How Much Does Backflow Testing Cost in San Diego?

Eligible domestic or irrigation devices 2 inches and under are $90. Certification and district filing are included. Devices larger than 2 inches through 3 inches require team review.

Read the complete testing-cost guide →

Commercial testing

Commercial and Multi-Device Pricing

The published $90 standard rate also applies to qualifying commercial domestic devices 2 inches and under. Businesses, HOAs and properties with multiple devices can request a combined quote after the team reviews the number and type of assemblies.

Request a combined review →

Price Guide

How to Read These Prices

  • 01
    Fixed pricePublished price for standardized work
  • 02
    Estimated rangeFinal price confirmed after review
  • 03
    Separate estimateQuoted only if the work is needed
  • 04
    Custom quotePriced after the team reviews the work
  • 05
    Team reviewPrice confirmed by the team
Price Index

Filter the Service List

Showing all services

Mr. Backflow pricing
ServicePrice
01Backflow testing, eligible domestic or irrigation devices 2 inches and underIncludes certification and district filing. Submission timing, district processing and acceptance can vary. Fixed price$90
02Carlsbad resident testing rateCarlsbad residents automatically receive an 18% local discount on the $90 standard testing rate. Fixed price$73.80
03Backflow testing, eligible devices larger than 2 inches up to and including 3 inchesPricing is confirmed by the team after review. Team reviewTeam review
04Expedited testing and district processing feePriority routing and accelerated processing, subject to team review and availability. This fee does not guarantee a service date, submission time, or district acceptance. Fixed price$65.60
05Standard rubber-kit repairHard parts are not included. If hard parts are required, the team provides a separate estimate. Not every failed device qualifies for the standard repair; an inspection and test come first.
What the standard repair includes and excludes
Included
  • Complete rubber repair kit appropriate for the device
  • Check discs, O-rings, seals and diaphragms as applicable
  • New test fittings
  • Disassembly
  • Internal cleaning
  • Installation of included components
  • Reassembly
  • Diagnostic testing
  • Submission of certified results to the water district
Not included (hard parts)
  • Springs
  • Poppets
  • Checks
  • Seats
  • Modules
  • Damaged metal components
  • Other hard parts
Fixed price$560.20 plus tax
06Hard parts (springs, poppets, checks, seats, modules, damaged metal components)Quoted separately only if they are required. Separate estimateSeparate estimate
07Backflow replacement (up to and including 3 inches)Estimated range. Final price depends on device size, location, configuration and required work. Can include removal, installation, testing and district submission when applicable. Estimated range$1,250–$2,500
08New backflow installation (up to and including 3 inches)Estimated range. Final price depends on the device, site conditions, configuration and required work. Can include installation, testing and district submission when applicable. Estimated range$2,850–$3,200
09Additional plumbing, troubleshooting, urgent review, late-submission assistance, expedited-service requests, specialty work, valves and pressure regulatorsPriced according to the scope of work. Availability of urgent or expedited service is not guaranteed. Custom quoteCustom quote

Final pricing is confirmed after the device, site conditions and required work are reviewed. Taxes and hard parts may be additional when applicable.

Outside the Current Service Scope

Mr. Backflow provides certified testing, repairs, replacements, and installations for backflow preventers up to 3 inches. Fire systems and larger assemblies are not included in our service scope. We can record a request for the team to review, but these services cannot be scheduled or priced on this site.

  • Fire systems
  • Backflow assemblies larger than 3 inches

We’ll confirm your appointment after we review your request and availability. Urgent or expedited service availability is not guaranteed.

Pricing questions

Backflow Testing Cost Questions

How much does backflow testing cost in San Diego?
Eligible domestic or irrigation devices 2 inches and under are $90. That price includes certification and district filing. Devices larger than 2 inches through 3 inches require team review.
How much does commercial backflow testing cost?
The published $90 standard testing rate applies to eligible domestic or irrigation devices 2 inches and under, including qualifying commercial devices. Businesses, HOAs and properties with multiple devices can request a combined quote.
What is the Carlsbad backflow testing rate?
Carlsbad residents receive the approved 18% local discount on the $90 standard rate, making eligible testing $73.80.
Is certification and water-district filing included?
Yes. Eligible testing includes certification and district filing. Submission timing, district processing and acceptance can vary.

Ready to Request Service?

We’ll confirm your appointment after we review your request and availability.

Call (760) 492-7389 Request service